Omron D4B-2111N, D4B-1111N, D4B-2511N, D4B-2A11N, D4B-4111N Datasheet
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Safety Limit Switch
D4B-#N
• Snap-action or slow-action contact for
accurate switching with safe operation
via a direct opening mechanism with
metal deposition between mating contacts.
• Two sets of contacts: one (NC) for safety category circuit and the other (NO)
for control circuit.
• Contacts opened by direct opening
mechanism (NC contacts only), thus
preventing faulty operation due to factors such as metal deposition.
• Wide standard operating temperature
range:
–40°C to 80°C (standard type).
• Safety of lever settings ensured using a
mechanism that engages a gear between the operating position indicator
plate and the lever.
• Equipped with a mechanism that indicates the applicable operating zone, as
well as push-button switching to control
left and right motion.
• Conforms to EN (TÜV) standards corresponding to the CE marking.
• 3-conduit switches are available.
• Metric conduit types available.
Model Number Structure
Model Number Legend
D4B-####N
1 2 3
1. Conduit
1: PG13.5 (1-conduit)
2: G1/2 (PF1/2) (1-conduit)
3: 1/2-14NPT (1-conduit)
4: M20
5: PG13.5 (3-conduit)
6: G1/2 (PF1/2) (3-conduit)
7: 1/2-14NPT (3-conduit)
8: M20 (3-conduit)
2. Built-in Switch
1: 1NC/1NO (snap-action)
3: 1NC/1NO (slow-action) gold-plated contacts
5: 1NC/1NO (slow-action) (see note)
A: 2NC (slow-action)
B: 2NC (slow-action) gold-plated contacts
Note: Excluding D4B-##81N and D4B-##87N models.
3. Actuator
00: Switch box (without head)
11: Roller lever (standard)
16: Adjustable roller lever
17: Adjustable rod lever
1R: Roller lever
(conventional D4B-compatible)
70: Top plunger
71: Top roller plunger
81: Coil spring
87: Plastic rod
N
@
D4B-
G-243D4B-@N
Ordering Information
List of Models Safety limit switch, mechanical form lock
Switches (EN50041)
Conduit size
PG13.5 (see note 2) G1/2 M20
1NC/1NO
(Snapaction)
D4B-1111N D4B-1511N
D4B-1116N D4B-1516N
D4B-1117N D4B-1517N
D4B-1170N D4B-1570N
D4B-1171N D4B-1571N
1NC/1NO
(Slow-
action)
2NC
(Slow-
action)
D4B-1A11N D4B-2111N
D4B-1A16N D4B-2116N
D4B-1A17N D4B-2117N
D4B-1A70N D4B-2170N
D4B-1A71N D4B-2171N
D4B-1A81N D4B-2181N
D4B-1A87N D4B-2187N
1NC/1NO
(Snapaction)
1NC/1NO
(Slow-
action)
D4B-2511N
D4B-2516N
D4B-2517N
D4B-2570N
D4B-2571N
---
---
2NC
(Slow-
action)
D4B-2A11N D4B-4111N
D4B-2A16N D4B-4116N
D4B-2A17N D4B-4117N
D4B-2A70N D4B-4170N
D4B-2A71N D4B-4171N
D4B-2A81N D4B-4181N
D4B-2A87N D4B-4187N
1NC/1NO
(Snapaction)
1NC/1NO
(Slow-
action)
D4B-4511N
D4B-4516N
D4B-4517N
D4B-4570N
D4B-4571N
---
---
2NC
(Slow-
action)
D4B-4A11N
D4B-4A16N
D4B-4A17N
D4B-4A70N
D4B-4A71N
Side
rotary
Top
plunger
Wobble
lever
(see
note 1)
Actuator
Roller
lever
(form A)
Adjustable
roller lever
(see note 1)
Adjustable
rod lever
(form D)
(see note 1)
Plain
(form B)
Roller
(form C)
Coil spring D4B-1181N ---
Plastic rod D4B-1187N ---
Note: 1. Mechanically speaking, these models are basic limit switches.
2. The D4B-#N is a Limit Switch conforming to European standards, and PG13.5 is commonly used in Europe.
3-conduit Switch
Conduit size
Actuator
Side
rotary
Top
plunger
Wobble lever
(see
note 1)
Roller
lever
(form A)
Adjustable roller
lever (see
note 1)
Adjustable
rod lever
(form D)
(see note
1)
Plain
(form B)
Roller
(form C)
Coil
spring
Plastic
rod
D4B-5111N D4B-5511N
D4B-5116N D4B-5516N
D4B-5117N D4B-5517N
D4B-5170N D4B-5570N
D4B-5171N D4B-5571N
D4B-5181N ---
D4B-5187N ---
PG13.5 (see note 2) G1/2 M20
1NC/1NO
(Snapaction)
1NC/1NO
(Slow-
action)
2NC
(Slow-
action)
D4B-5A11N D4B-6111N
D4B-5A16N D4B-6116N
D4B-5A17N D4B-6117N
D4B-5A70N D4B-6170N
D4B-5A71N D4B-6171N
D4B-5A81N D4B-6181N
D4B-5A87N D4B-6187N
1NC/1NO
(Snapaction)
1NC/1NO
(Slow-
action)
D4B-6511N
D4B-6516N
D4B-6517N
D4B-6570N
D4B-6571N
---
---
2NC
(Slow-
action)
D4B-6A11N D4B-8111N
D4B-6A16N D4B-8116N
D4B-6A17N D4B-8117N
D4B-6A70N
D4B-6A71N D4B-8171N
D4B-6A81N
D4B-6A87N
1NC/1NO
(Snapaction)
--- --- ---
--- --- ---
--- --- ---
1NC/1NO
(Slow-
action)
--- ---
--- ---
--- ---
---
2NC
(Slowaction)
D4B-8A71N
Note: 1. Mechanically speaking, these models are basic limit switches.
2. The D4B-#N is a Limit Switch conforming to European standards, and M20/PG13.5 is commonly used in Europe.
3. The wobble lever models are ordinary limit switches and are not approved under EN, GS, and SUVA’s Direct Opening Certificate.
G-244 Safety Sensors / Components
Replacement Part
Because the D4B-#N employs a block mounting construction, the switch box, operating head, and lever (side rotary type only) may be ordered as
a complete assembly or individually as replacement parts. (Replacement parts are not available as a switch box and head assembly or as a head
and lever assembly.)
Switch box
=++
D4B-2100Nex. D4B-2111N
=
Switch Box
PG13.5 G1/2 1/2-14NPT PG13.5 G1/2 1/2-14NPT
1NC/1NO
(Snap-action)
1NC/1NO
(Slow-action)
2NC
(Slow-action)
Operating Heads
Actuator Type Model
Side rotary Standard D4B-0010N
Top plunger
Wobble lever
Plain D4B-0070N
Roller D4B-0071N
Coil spring D4B-0081N
Plastic rod D4B-0087N
D4B-1100N D4B-2100N D4B-3100N D4B-5100N D4B-6100N D4B-7100N
D4B-1500N D4B-2500N D4B-3500N D4B-5500N D4B-6500N D4B-7500N
D4B-1A00N D4B-2A00N D4B-3A00N D4B-5A00N D4B-6A00N D4B-7A00N
Head
Lever (side rotary type only)
+ D4B-0010N D4B-0001N+
EN50041 3-conduit type
Levers (for Side Rotary Switches)
Actuator Length Diameter of roller Model
Standard 31.5 17.5 dia. D4B-0001N
Adjustable roller lever 25 to 89 19 dia. D4B-0006N
Adjustable rod lever 145 max. --- D4B-0007N
Interchangeable with D4B-0001 33.7 19 dia. D4B-000RN
Note: Other types of lever are also available.
N
@
D4B-
G-245D4B-@N
Specifications
Approved Standards
Snap-action Models
Agency Standard File No.
R9851083
(Direct opening:
TÜV Rheinland EN60947-5-1
approved)
R9151372
(Direct opening:
approval pending)
(See note 1.)
UL UL508 E76675
CSA C22.2 No. 14 LR45746
BIA (See note 2.) GS-ET-15
Note: 1. Adjustable roller lever, adjustable rod lever, coil spring, and
plastic rod models only.
2. Not including adjustable roller lever, adjustable rod lever,
coil spring, and plastic rod models.
1-conduit: 9202158
3-conduit: 9309655
Approved Standard Ratings
TÜV Rheinland: EN60947-5-1
Utilization category AC-15
Rated operating current (I
Rated operating voltage (U
Note: As protection against short-circuiting, use either a gI-type or gG-type 10-A fuse that conforms to IEC269.
)2 A
e
) 400 V
e
Slow-action Models
Agency Standard File No.
TÜV Rheinland EN60947-5-1
UL UL508 E76675
CSA C22.2 No. 14 LR45746
BIA (See note.) GS-ET-15
SUVA (See note.) SUVA
Note: Not including adjustable roller lever, adjustable rod lever, coil spring, and
plastic rod models.
Standards and EC Directives
• Conforms to the following EC Directives:
Machinery Directive
Low Voltage Directive
EN1088
EN50041
R9151643
(Direct opening:
approved)
(See note)
1-conduit: 9202158
3-conduit: 9309655
1-conduit: E6188/
1.d
3-conduit: E6189/
1.d
UL/CSA: (UL508, CSA C22.2 No. 14)
A600
Rated voltage Carry current Current Volt-amperes
Make Break Make Break
120 VAC
240 VAC
480 VAC
600 VAC
10 A
60 A
30 A
15 A
12 A
6 A
3 A
1.5 A
1.2 A
7,200 VA 720 VA
G-246 Safety Sensors / Components
Characteristics
Item Snap-action Slow-action
Durability
(see note 3)
Operating speed 1 mm/s to 0.5 m/s
Operating frequency
Rated frequency 50/60 Hz
Insulation resistance
Contact resistance 25 mΩ max. (initial value)
Dielectric strength (U
Between terminals of same polarity U
Between terminals of different polarity --- U
Between current-carrying metal parts
and ground
Between each terminal and non-cur-
rent-carrying parts
Rated insulation voltage (Ui) 600 VAC (EN60947-5-1)
Counter electromotive voltage at switching 1,500 VAC max. (EN60947-5-1)
Operating environmental pollution level 3 (EN60947-5-1)
Conditional short-circuit current 100 A (EN60947-5-1)
Conventional enclosed thermal current (I
Electric shock protection class Class I (with ground terminal)
Vibration resistance Malfunction:10 to 55 Hz, 0.75 mm single amplitude
Shock resistance
Ambient temperature Operating:–40°C to 80°C (with no icing) (see note 4)
Ambient humidity Operating:95% max.
Degree of protection IP67 (EN60947-5-1)
Weight Approx. 250 g
Note: 1. The above values are initial values.
2. The above values may vary depending on the model. Consult your OMRON sales representative for details.
3. The durability is for an ambient temperature of 5°C to 35°C and ambient humidity of 40% to 70%. For further conditions, consult your
OMRON sales representative.
4. –25°C to 80°C for the flexible-rod type.
Mechanical 30,000,000 operations min. 10,000,000 operations min.
Electrical 500,000 operations min. (at a 250 VAC, 10-A resistive load)
Mechanical:120 operations/min
Electrical:30 operations/min
100 MΩ min. (at 500 VDC) between terminals of the same polarity and between each termi-
nal and non-current-carrying part
)
imp
2.5 kV U
imp
U
4 kV U
imp
U
4 kV U
imp
) 20 A (EN60947-5-1)
the
2
Destruction:1,000 m/s
Malfunction:300 m/s
2
min.
min.
imp
imp
imp
imp
4 kV
4 kV
4 kV
4 kV
Operating Characteristics
Model D4B-##11N
OF max. 9.41 N 2.12 N 18.63 N 1.47 N
RF min. 1.47 N 0.29 N 1.96 N --PT 21±3° 2.0 mm max. 15° max.
PT (2nd)
(see note 3)
(45°) (3.0 mm) ---
OT min. 50° 5.0 mm --MD max.
(see note 4)
DOT min.
12° 1.0 mm ---
35° (Slow-action models)
55° (Snap-action models)
DOF min. 19.61 N 49.03 N --TT (75°) 7.0 mm --FP max. --- 38 mm 51 mm --OP --- 35±1 mm 48±1 mm ---
Note: 1. The operating characteristics of these Switches were measured with the roller lever set at 31.5 mm.
2. The operating characteristics of these Switches were measured with the rod lever set at 140 mm.
3. Only for slow-action models.
4. Only for snap-action models.
D4B-##16N
(see note 1)
D4B-##17N
(see note 2)
D4B-##70N D4B-##71N D4B-##81N D4B-##87N
3.2 mm ---
N
@
D4B-
G-247D4B-@N
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